Method, device, and system for managing uplink carrier frequencies

ABSTRACT

A method for managing uplink carrier frequencies is provided, which is applicable to the field of communication. The method includes the following steps: A state switching response message sent by a UE is received, where the state switching response message includes a result of state switching performed by on a secondary uplink carrier serving cell; The result of the state switching is notified to a secondary uplink carrier non-serving cell in a secondary carrier active set through an RNC. A device and a system for managing uplink carrier frequencies are further provided. Through the method, device, and system provided in embodiments of the present invention, the uplink carrier frequencies are managed, so as to facilitate transmission of uplink data during multi-cell collaboration.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. patent application Ser. No.13/293,859, filed on Nov. 10, 2011, which is a continuation of U.S.patent application Ser. No. 13/255,526, filed on Sep. 9, 2011, which isa continuation of International Application No. PCT/CN2010/070324, filedon Jan. 22, 2010. The International Application claims priority toChinese Patent Application No. 200910001150.3, filed on Jan. 23, 2009and Chinese Patent Application No. 200910137954.6, filed on Apr. 28,2009. The afore-mentioned patent applications are hereby incorporated byreference in their entireties.

FIELD OF THE TECHNOLOGY

The present invention relates to the field of communication, and moreparticularly to a method, device, and system for managing uplink carrierfrequencies.

BACKGROUND OF THE INVENTION

In technology evolution of the 3rd Generation Partnership Project(3GPP), in order to enhance the amount of uplink data of a service anduplink service coverage, it is considered to introduce uplink multi-cellHigh Speed Uplink Packet Access (HSUPA) collaboration technology, thatis, in a data uplink direction, data channels working at differentcarrier frequencies are bundled together to transmit data, and one UserEquipment (UE) may simultaneously receive data from data channels atmultiple carrier frequencies.

For example, dual-cell HSUPA collaboration is to establish connectionsto a UE and a base station simultaneously from two cells working atdifferent uplink carrier frequencies, so that uplink data sent by the UEcan be simultaneously sent through the connections established with thetwo cells.

However, the prior art does not provide a specific implementationsolution to manage uplink carrier frequencies of multi-cell HSUPA.

SUMMARY OF THE INVENTION

In order to manage uplink carrier frequencies of multi-cell HSUPA, thepresent invention is directed to a method, device, and system formanaging uplink carrier frequencies.

One aspect of the present invention provides a method for managinguplink carrier frequencies. The method includes the following steps.

A state switching response message sent by a UE is received, where thestate switching response message includes a result of state switchingperformed by the UE on a secondary uplink carrier serving cell;

A result of the state switching is notified to a secondary uplinkcarrier non-serving cell in a secondary carrier active set through aRadio Network Controller (RNC).

Another aspect of the present invention provides a device for managinguplink carrier frequencies. The device includes:

a receiving unit, which is configured to receive a state switchingresponse message sent by a UE, where the state switching responsemessage includes a result of state switching performed by the UE on asecondary uplink carrier serving cell.

a notifying unit, which is configured to notify the result of the stateswitching to a non secondary uplink carrier serving cell in a secondarycarrier active set through an RNC.

Still another aspect of the present invention provides a system formanaging uplink carrier frequencies. The system includes a base stationand an RNC.

The base station is configured to receive a state switching responsemessage sent by a UE, where the state switching response messageincludes a result of state switching performed by the UE on a secondaryuplink carrier serving cell; and send the result of the state switchingto the RNC.

The RNC is configured to send the result of the state switching to asecondary uplink carrier non-serving cell in a secondary carrier activeset.

The method, device, and system for managing uplink carrier frequenciesaccording to the present invention may be adopted to inform the basestation, the RNC and the secondary uplink carrier non-serving cell inthe secondary carrier active set of the result of the state switchingperformed by the UE on the secondary uplink carrier serving cell, so asto manage the uplink carrier frequencies of the multi-cell HSUPA.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a flow chart of a method for managing uplink carrierfrequencies according to a first embodiment of the present invention;

FIG. 2 is a flow chart of a method for managing uplink carrierfrequencies according to a second embodiment of the present invention;

FIG. 3 is a flow chart of a method for managing uplink carrierfrequencies according to a third embodiment of the present invention;

FIG. 4 is a flow chart of a method for managing uplink carrierfrequencies according to a fourth embodiment of the present invention;

FIG. 5 is a flow chart of a method for managing uplink carrierfrequencies according to a fifth embodiment of the present invention;

FIG. 6 is a flow chart of a method for managing uplink carrierfrequencies according to a sixth embodiment of the present invention;

FIG. 7 is a flow chart of a method for managing uplink carrierfrequencies according to a seven embodiment of the present invention;

FIG. 8 is a flow chart of a method for managing uplink carrierfrequencies according to an eighth embodiment of the present invention;

FIG. 9 is a flow chart of a method for managing uplink carrierfrequencies according to a ninth embodiment of the present invention;

FIG. 10 is a flow chart of a method for managing uplink carrierfrequencies according to a tenth embodiment of the present invention;

FIG. 11 is a schematic diagram of an internal structure of a UEaccording to an embodiment of the present invention;

FIG. 12 is a schematic diagram of an internal structure of a switchingmodule 1002 in FIG. 10;

FIG. 13 is a schematic diagram of an internal structure of a basestation according to an embodiment of the present invention;

FIG. 14 is a schematic diagram of an internal structure of a switchingmodule 1302 in FIG. 13;

FIG. 15 is a schematic diagram of an internal structure of an RNCaccording to an embodiment of the present invention;

FIG. 16 is a schematic diagram of an internal structure of an RNCaccording to another embodiment of the present invention;

FIG. 17 is a schematic diagram of a state switching system according toan embodiment of the present invention;

FIG. 18 is a schematic diagram of a state switching system according toanother embodiment of the present invention; and

FIG. 19 is a schematic diagram of a state switching system according toanother embodiment of the present invention.

DETAILED DESCRIPTION OF THE EMBODIMENTS

When a user uses some uplink sensitive services (such as Email, image,and video uploading), a large amount of uplink data is generated, whichrequires higher load for uplink carrier frequencies. At this time, ifthe load of a cell accessed by a UE is heavy in an uplink direction, alarge amount of uplink data would be sent with low efficiency and timedelay. As a result, the user experience is affected.

In order to solve the problem that the efficiency in sending the data islow when the uplink data amount is large, multi-cell HSUPA collaborationmay be used to send the uplink data, that is, data is sent throughcollaboration of multiple uplink cells, so as to reduce data load on asingle cell. However, the implementation methods are not provided in theprior art to solve the following problems: how to activate multiplecells to send uplink data simultaneously when the UE generates a largeamount of uplink data, how to make a part of the multiple cells, whichare not needed, disconnected to decrease interference among multiplecarrier frequencies when the UE does not need the multiple cells to sendthe uplink data, and how to dynamically adjust the quantity of uplinkcells used by the UE to manage activation and deactivation reasonably.

A first embodiment of the present invention is described in thefollowing with reference to accompanying drawings.

In the first embodiment, the present invention provides a method formanaging uplink carrier frequencies so as to dynamically adjust thenumber of uplink cells. As shown in FIG. 1, the method includes thefollowing steps.

In step 101, a state switching decision indication of a secondary uplinkcarrier serving cell is acquired.

In step 102, state switching is performed on at least one secondaryuplink carrier serving cell according to the state switching decisionindication.

In step 103, a state of the at least one secondary uplink carrierserving cell is notified to a communication opposite end.

In the method for managing uplink carrier frequencies provided in thisembodiment, state switching management of the secondary uplink carrierserving cell is triggered through the state switching decisionindication, the state switching of at least one secondary uplink carrierserving cell is performed according to the state switching decisionindication, and the state of at least one secondary uplink carrierserving cell is notified to the communication opposite end. In this way,a mechanism to realize multi-cell collaboration for data transmission inthe uplink direction is provided, and a problem that uplink carrierfrequencies management cannot be performed through multi-cell HSUPAcollaboration is solved.

A second embodiment of the present invention is described in thefollowing with reference to an accompanying drawing.

When a UE needs to send a large quantity of uplink data to a basestation, the UE may send uplink data simultaneously on a primary carriercell and one or more secondary uplink carrier serving cells byestablishing connections with cells at multiple carrier frequenciesthrough multi-cell collaboration, so as to increase bandwidth of theuplink data sent. When the UE does not need to send the uplink datathrough multi-cell collaboration, an unused cell may be deactivated,thereby reducing the number of cells used by the UE and decreasinginterference among cells at different frequencies. In this embodiment,take dual-cell collaboration in sending uplink data for example. Forease of description, the dual cells are respectively designated as aprimary uplink carrier cell and a secondary uplink carrier serving cell.The primary uplink carrier cell works at a primary uplink carrierfrequency, and the secondary uplink carrier serving cell works at asecondary uplink carrier frequency. All cells working at the sameprimary uplink carrier form one primary uplink carrier cell active set,which includes one primary uplink carrier serving cell. All cellsworking at the same secondary uplink carrier form one secondary uplinkcarrier cell active set, which includes one secondary uplink carrierserving cell. In this embodiment, the secondary uplink carrier servingcell may be a secondary carrier Enhanced Dedicated Channel (E-DCH)serving cell. As shown in FIG. 2, the method for managing uplink carrierfrequencies according to this embodiment includes the following steps:

In step 201, the base station receives a state switching decisionindication.

When the base station is switched on and joins into a network, an RNC(Radio Network Controller) sends to the base station the state switchingdecision indication which instructs the base station to performmeasurement and judgment according to the state switching decisionindication and implement activation and deactivation operations of thesecondary uplink carrier serving cell.

In this step, the base station receives the state switching decisionindication. The state switching decision indication carries decisioncontrol. The decision control includes multiple decision objects, suchas uplink data amount control, uplink load, and secondary uplink carrierServing Grant (SG) control (the uplink load and the secondary uplinkcarrier SG are decision objects related to uplink signal quality). Thetypes of the decision objects are numerous in the field ofcommunication, and will not enumerated one by one here. The decisionobjects are used to determine whether it is needed to activate othersecondary carrier cells to transmit uplink data. The decision controlfurther includes multiple decision parameters, such as a measurementtime window (the measurement time window is a measurement interval, anda measurement value of a certain decision object is a mean ofmeasurement values of the decision objects within the measurementinterval), an activation threshold (that is, an activation threshold isa condition for triggering to activate other secondary carrier cells,and the activation threshold includes the amount of uplink data of auser and an uplink signal quality criterion; when the amount of uplinkdata of the user exceeds the activation threshold, and the signalquality of the secondary uplink carrier serving cell reaches the qualitycriterion of the uplink signal, the secondary uplink carrier servingcell may be activated to transmit uplink data), and a deactivationthreshold (that is, a deactivation threshold is a condition fortriggering to deactivate the secondary uplink carrier serving cell, andincludes the amount of uplink data of the user and the quality criterionof the uplink signal; when the amount of uplink data of the user isbelow the deactivation threshold, or the signal quality of the secondaryuplink carrier serving cell does not reach the quality criterion of theuplink signal, the secondary uplink carrier serving cell may bedeactivated, and the secondary uplink carrier serving cell is not usedfor transmitting the uplink data).

The activation threshold and the deactivation threshold may be one samevalue, or two different values. The activation threshold may be slightlyhigher than the deactivation threshold. When a data transmission amountis between the activation threshold and the deactivation threshold, astate of the secondary uplink carrier serving cell does not change.

In other embodiments of the present invention, two or more secondaryuplink carrier serving cells may be activated to transmit the uplinkdata of the user. In this case, the activation threshold value mayinclude multiple thresholds, and the thresholds increase in sequence.For example, the thresholds are 5 M, 8 M and 10 M. The amount of theuplink data of the user is increased gradually. When the amount of theuplink data of the user exceeds 5 M, a first secondary uplink carrierserving cell is activated. When the amount exceeds 8 M, a secondsecondary uplink carrier serving cell is activated. When the amountexceeds 10 M, a third secondary uplink carrier serving cell isactivated, and so forth. Multiple secondary uplink carrier serving cellswork at different secondary uplink carrier frequencies. The activationthreshold may also include only one threshold. When the amount exceedsthis threshold, all of other available cells at secondary carrierfrequencies of a base station at which the UE is currently located areactivated as the secondary uplink carrier serving cells.

Corresponding to multiple uplink activation thresholds, the deactivationthreshold value may also include multiple thresholds. For example, thethresholds are 5 M, 8 M and 10 M. The amount of the uplink data of theuser is also decreased gradually. When the amount of the uplink data ofthe user is below 10 M, a secondary uplink carrier serving cell isdeactivated. When the amount is below 8M, another secondary uplinkcarrier serving cell is deactivated, and so forth. Definitely, whenthere are multiple uplink activation thresholds, it is also possiblethat only one deactivation threshold is used. For example, theactivation thresholds are 5 M, 8 M and 10 M, but only one deactivationthreshold, such as 5 M, is used. When the amount of the uplink data isbelow 5 M, all secondary uplink carrier serving cells are deactivated.

In the method for managing uplink carrier frequencies according to thisembodiment, the principle for activating the secondary uplink carrierserving cell or deactivating the secondary uplink carrier serving cellin multi-cell collaboration is essentially the same as the principle foractivating the secondary uplink carrier serving cell or deactivating thesecondary uplink carrier serving cell in dual-cell collaboration, and isnot described in detail here.

In step 202, the base station performs state switching decision, andsends a state switching request message to the UE.

In this step, the base station measures a related decision objectaccording to the state switching decision indication received in step201, and compares the measurement result with the decision parameter, soas to determine whether it is needed to activate the secondary uplinkcarrier serving cell.

If the UE is in a dual-cell uplink collaboration activated state, thatis, the UE is connected with the base station through the primarycarrier cell and the secondary uplink carrier serving cellsimultaneously for sending the uplink data. In one measure window, aslong as a measurement value of one control object satisfies thedeactivation threshold, for example, when the amount of the uplink datatransmitted by the secondary uplink carrier serving cell is very small,or when the signal quality of the secondary uplink carrier serving cellis poor and cannot satisfy the quality criterion of the uplink signal,the base station performs the deactivation operation on the secondaryuplink carrier serving cell. Specifically, a deactivation requestmessage is sent to the UE, where the deactivation request messagecarries an identifier of the secondary uplink carrier frequency whichthe secondary uplink carrier serving cell uses (the identifier may be afrequency value of the secondary uplink carrier frequency, or a uniqueidentifier allocated for the secondary uplink carrier frequency by thesystem); and the UE is requested to stop sending uplink data through thesecondary uplink carrier serving cell. The deactivation request messagemay be a physical layer message borne on a physical layer channel suchas a HS-SCCH, an E-AGCH, or an E-RGCH, or may be a MAC PDU.

If the UE is in a dual-cell uplink collaboration deactivated state, thatis to say, the UE currently sends the uplink data through only theprimary carrier cell. In one measure window, the base station measurescells at all other carrier frequencies of the base station except forthe carrier frequency of the primary carrier cell according toinformation in the state switching decision indication. If the amount ofthe uplink data of the UE exceeds the activation threshold, and thesignal quality of the secondary carrier serving cell satisfies thesignal quality criterion, the cell is activated, and a part of theuplink data on the primary carrier cell is allocated to the secondaryuplink carrier serving cell for transmission. The activating operationspecifically includes: sending, by the base station, an activationrequest message to the UE. The activation request message carries anidentifier of the secondary uplink carrier frequency which the selectedsecondary uplink carrier serving cell uses (the identifier may be afrequency value of the secondary uplink carrier frequency, or a uniqueidentifier allocated for the secondary uplink carrier frequency by thesystem). The activation request message may be a physical layer messageor a MAC PDU.

In step 203, the UE performs the state switching.

In this step, the UE performs a corresponding state switching operationon the secondary uplink carrier serving cell according to the messagereceived in step 202.

If the UE receives the deactivation request message, the UE acquires acorresponding secondary uplink carrier serving cell according to theidentifier of the secondary uplink carrier frequency which the secondaryuplink carrier serving cell uses, where the identifier is carried in theactivation request message, and the UE stops sending the uplink data onthe secondary uplink carrier serving cell, for example, the UE stopssending the uplink data and stops the transmission on the uplink DPCCHon the secondary uplink carrier serving cell.

If the UE receives the activation request message, the UE acquires acorresponding secondary uplink carrier serving cell according to theidentifier of the secondary uplink carrier frequency which the secondaryuplink carrier serving cell uses, where the identifier is carried in theactivation request message, and the UE starts to send the uplink dataand starts the transmission on the uplink DPCCH on the secondary uplinkcarrier serving cell.

In step 204, the UE sends a state switching response message.

In this step, after performing the state switching on the secondaryuplink carrier serving cell, the UE sends a state switching responsemessage to the base station to notify the operation result to the basestation.

A physical channel of the state switching response message sent by theUE may be an HS-DPCCH or one of other physical layer channels.

If the UE receives the deactivation request message in step 203, afterperforming the deactivating operation on the secondary uplink carrierserving cell, the UE sends a deactivation response message to the basestation.

If the UE receives the activation request message in step 203, afterperforming the activating operation on the secondary uplink carriercell, the UE sends an activation response message to the base station.

In step 205, the base station notifies the state of the secondary uplinkcarrier serving cell to the RNC.

In this step, the base station sends a state notification message to theRNC according to the state switching response received in step 204. Thestate notification message carries the state of the secondary uplinkcarrier serving cell.

In step 206, the RNC forwards the state of the secondary uplink carrierserving cell to other cells of a secondary carrier active set, which donot know state change of the secondary uplink carrier serving cell.

The cells working at the same carrier frequency of the base station forman active set. The secondary carrier active set is a set of cells whichwork at the secondary uplink carrier frequencies and are connected withthe UE. The RNC delivers a control message to the UE. The controlmessage carries identifiers of multiple cells, and indicates thatmeasurement needs to be performed on the cells. After completing themeasurement, the UE reports a measurement result to the RNC. Accordingto the result, the RNC judges which cells may join in the secondarycarrier active set of the UE, and selects a cell with optimal signalquality as the secondary uplink carrier serving cell. The RNC notifiesthe secondary carrier active set to the UE. Specifically, the RNCnotifies the UE of secondary uplink carrier frequencies of the secondarycarrier active set and cells included in the secondary carrier activeset. When the UE establishes connection with the base station throughthe secondary uplink carrier cell, the UE actually establishesconnection with all cells in the secondary carrier active set. Alluplink cells in the secondary carrier active set may bear uplink data orbear synchronous control signals of the uplink DPCCH. After thesecondary uplink carrier serving cell is deactivated, the UE stopstransmitting the uplink DPCCH at the cells in the secondary carrieractive set. When all cells in the secondary carrier active set aresynchronized, the signals of the DPCCH are not detected, it isconsidered that link synchronization between the cell and the UE fails.The failure in link synchronization may make a network side release thewireless link through which the cell is connected with the UE. In thisway, the cell cannot act as the secondary uplink carrier serving cell toshare the uplink data of the primary carrier cell.

In order to solve the problem aforementioned, in this step, the RNCsends the state notification message to notify the state of thesecondary uplink carrier frequencies to all cells except the secondaryuplink carrier serving cell in the secondary uplink carrier active set,and. If the state of the secondary uplink carrier serving cell isswitched from the activated state to the deactivated state, afteracquiring the current state of the secondary uplink carrier servingcell, all cells in the secondary carrier active set stop detecting theuplink DPCCH. In this way, the UE is not disconnected completely fromthe cells in the secondary carrier active set, and other cells exceptthe secondary uplink carrier serving cell in the secondary carrieractive set may be subsequently selected to perform the activatingoperation.

This step is optional. If the secondary uplink carrier serving cell isdeactivated, and the RNC does not notify information indicating that thesecondary uplink carrier serving cell is deactivated to other cellsexcept the secondary uplink carrier serving cell in the secondarycarrier active set, a cell in the secondary carrier active set reports aRadiolink Failure to the RNC when detecting that the linksynchronization fails. However, because the RNC knows the state of thesecondary uplink carrier serving cell, the RNC does not respond to thereceived Radiolink Failure, i.e., a corresponding link is not deleted,so that, the wireless link between the UE and the cells in the secondarycarrier active set is also sustained.

In the method for managing uplink carrier frequencies according to thisembodiment of this invention, the state switching decision indication isdelivered through the RNC. The base station performs measurement andjudgment according to the state switching decision indication. The basestation determines a suitable secondary uplink carrier serving cellaccording to a measurement result, and instructs the UE to perform theactivating operation on the secondary uplink carrier serving cell whendual-cell uplink collaboration is required; and the base stationinstructs the UE to perform the deactivating operation on the secondaryuplink carrier serving cell when the secondary uplink carrier servingcell is not needed to assist in sending data. In this way, in adual-cell uplink collaboration mode, the secondary uplink carrierserving cell is managed flexibly, and multi-cell HSUPA collaboration isused to transmit the uplink data. Furthermore, after the operation iscompleted, the state of the secondary uplink carrier serving cell isnotified to the RNC, and the RNC notifies the state of the secondaryuplink carrier serving cell to other cells except the secondary uplinkcarrier serving cell in the secondary carrier active set. As a result,synchronization of the cell state is achieved, the amount of dataprocessed by the RNC is reduced, a valid link is maintained, and networkresources are saved; time needed for the base station to complete themeasurement and judgment to obtain uplink data information is short, andthe efficiency of the system is high.

A third embodiment of the present invention is provided in the followingwith reference to an accompanying drawing.

As shown in FIG. 3, the method for managing uplink carrier frequenciesaccording to this embodiment includes the following steps.

In step 301, a base station receives a state switching decisionindication.

When the base station is switched on and joins into a network, an RNCsends to the base station the state switching decision indication whichinstructs the base station to perform measurement and judgment accordingto the state switching decision indication and implement activation anddeactivation operations of a secondary uplink carrier serving cell. Thesecondary uplink carrier serving cell in this embodiment specificallyrefers to a secondary carrier E-DCH serving cell.

In this step, the base station receives the state switching decisionindication. The state switching decision indication carries decisioncontrol. The decision control is as described in the embodiment shown inFIG. 2, and will not be described in detail here.

In step 302, the base station performs state switching decision, andsends a state switching request message to the RNC.

In this step, the base station performs the state switching decisionaccording to the state switching decision indication received in step301. A specific process that the base station performs the stateswitching decision is as described in the embodiment shown in FIG. 2,and will not be described in detail here.

If the base station decides to perform a deactivation operation on thesecondary uplink carrier serving cell, a deactivation request message issent to the RNC. The deactivation request message carries an identifierof the secondary uplink carrier frequency which the secondary uplinkcarrier serving cell uses (the identifier may be a frequency value ofthe secondary uplink carrier frequency, or a unique identifier allocatedfor the secondary uplink carrier frequency by the system). Thedeactivation request message may be a Radio Resource Control (RRC)protocol message.

If the base station decides to perform an activation operation on thesecondary carrier serving cell, an activation request message is sent tothe RNC. The activation request message carries an identifier of thesecondary uplink carrier frequency which the selected secondary uplinkcarrier serving cell uses (the identifier may be a frequency value ofthe secondary uplink carrier frequency, or a unique identifier allocatedfor the secondary uplink carrier frequency by the system). Theactivation request message may be a physical layer message or a MAC PDU.

In step 303, the RNC forwards the state switching request message to theUE.

In this step, the RNC forwards the activation request message ordeactivation request message to the related UE through the RRC message.

In step 304, the UE performs state switching.

In this step, the UE performs a corresponding state switching operationon the secondary uplink carrier serving cell according to the messagereceived in step 303. The UE performs the state switching operation witha specific process described in the embodiment shown in FIG. 2, and thespecific process will not be described in detail here.

In step 305, the UE sends a state switching response message.

In this step, after performing the state switching operation on thesecondary uplink carrier serving cell, the UE sends the state switchingresponse message to the RNC to notify the operation result to the RNC.

The state switching response message sent by the UE is borne in the RRCmessage.

If the UE receives the deactivation request message in step 304, afterperforming the deactivating operation on the secondary uplink carrierserving cell, the UE sends a deactivation response message to the RNC.

If the UE receives the activation request message in step 304, afterperforming the activating operation on the secondary uplink carrierserving cell, the UE sends an activation response message to the RNC.

In step 306, the RNC forwards the state of the secondary uplink carrierserving cell to other cells, which do not learn the message that thestate of the secondary uplink carrier serving cell changes, in asecondary carrier active set.

This step is an optional step. After receiving the state notificationmessage, the base station forwards the state notification message to allother cells in the secondary carrier active set.

If the UE performs the deactivating operation on the secondary uplinkcarrier serving cell, all cells in the secondary carrier active set stopsynchronous detection of an uplink DPCCH. If the UE performs theactivating operation on the secondary uplink carrier serving cell, allcells in the secondary carrier active set initiate synchronous detectionof the DPCCH.

This step ensures that the wireless link between the UE and the cells inthe secondary carrier active set is sustained, and a Radiolink Failurecaused by link failure is not reported to the RNC.

This step is an optional step. If the RNC does not notify other cellsexcept the secondary uplink carrier serving cell in the secondarycarrier active set after the secondary uplink carrier serving cell isdeactivated, a cell in the secondary carrier active set reports theRadiolink Failure to the RNC when detecting that synchronization fails.However, because the RNC knows the state of the secondary uplink carrierserving cell, the RNC does not respond to the received RadiolinkFailure, i.e., the corresponding link is not deleted, so that, thewireless link between the UE and the cells in the secondary carrieractive set is also sustained.

In the method for managing uplink carrier frequencies according to thisembodiment, the state switching decision indication is delivered by theRNC. The base station performs measurement and judgment according to thestate switching decision indication. The base station selects a suitablesecondary uplink carrier serving cell according to a measurement result,and instructs the UE to perform the activating operation on the cellwhen dual-cell uplink collaboration is required; and the base stationinstructs the UE to perform the deactivating operation on the secondaryuplink carrier serving cell when the secondary uplink carrier servingcell is not needed to assist in sending data. In this way, in adual-cell uplink collaboration mode, the secondary uplink carrierserving cell is managed flexibly, and multi-cell HSUPA collaboration isused to transmit the uplink data. Furthermore, after the operation iscompleted, the state of the secondary uplink carrier serving cell isnotified to the RNC, and the RNC notifies the state of the secondaryuplink carrier serving cell to all cells except the secondary uplinkcarrier serving cell in the secondary carrier active set. Therefore,synchronization of the cell state is achieved, the amount of dataprocessed by the RNC is reduced, a valid link is maintained, and networkresources are saved; time needed for the base station to complete themeasurement and the judgment to obtain uplink information is short, andthe efficiency of the system efficiency is high.

A fourth embodiment of the present invention is provided in thefollowing with reference to an accompanying drawing.

As shown in FIG. 4, the method for managing uplink carrier frequenciesaccording to this embodiment includes the following steps.

In step 401, a UE receives a state switching decision indication.

When the UE joins into a network through a base station, an RNC sends tothe UE the state switching decision indication which instructs the UE toperform measurement and judgment according to the state switchingdecision indication and implement activation and deactivation operationsof a secondary uplink carrier serving cell. The secondary uplink carrierserving cell in this embodiment specifically refers to a secondarycarrier E-DCH cell.

In this step, the UE receives the state switching decision indication.The state switching decision indication carries decision control. Thedecision control is as described in the embodiment shown in FIG. 2, andwill not be described in detail here.

In step 402, the UE performs state switching decision.

In this step, the UE measures a related decision object according to thestate switching decision indication received in step 401, and comparesthe measurement result with the decision parameter to determine whetherit is needed to activate the secondary uplink carrier serving cell. Aspecific process that the UE performs the state switching decision issimilar to a process that the base station performs the state switchingdecision described in the embodiment shown in FIG. 2, and will not bedescribed in detail here.

If the UE decides to perform the deactivating operation on the secondaryuplink carrier serving cell, a deactivation request message is sent tothe base station for permitting the UE to stop sending uplink datathrough the secondary uplink carrier serving cell, where thedeactivation request message carries an identifier of the secondaryuplink carrier frequency which the secondary uplink carrier serving celluses (the identifier may a frequency value of the secondary uplinkcarrier frequency, or a unique identifier allocated for the secondaryuplink carrier frequency by the system). The deactivation requestmessage may be a physical layer message, such as an E-DPCCH, or otherphysical layer channels, or may be a MAC PDU.

If the UE decides to perform the activating operation on the secondaryuplink carrier serving cell, an activation request message is sent tothe base station. The activation request message carries an identifierof the secondary uplink carrier frequency which the selected secondaryuplink carrier serving cell uses (the identifier may be a frequencyvalue of the secondary uplink carrier frequency, or a unique identifierallocated for the secondary uplink carrier frequency by the system). Theactivation request message may be a physical layer message or a MAC PDU.

In step 403, the base station sends a state switching response to theUE.

In this step, the state switching response may be borne on a physicalchannel, e.g., E-HICH, or an E-RGCH or an E-AGCH, or other physicallayer channels.

In step 404, the UE performs state switching.

In this step, according to a decision result in step 402, afterreceiving the state switching response, the UE performs a correspondingstate switching operation on the secondary uplink carrier serving cell.

If the UE receives a response of the deactivation request message, theUE acquires a corresponding secondary uplink carrier serving cellaccording to the identifier of the secondary uplink carrier frequencywhich the secondary uplink carrier serving cell uses, where theidentifier is carried in the deactivation request message, and the UEstops sending the uplink data on the secondary uplink carrier servingcell, for example, stops sending the uplink data on the secondary uplinkcarrier serving cell and stops the transmission on the uplink DPCCH.

If the UE receives a response of the activation request message, the UEacquires a corresponding secondary uplink carrier serving cell accordingto the identifier of the secondary uplink carrier frequency which thesecondary uplink carrier serving cell uses, where the identifier iscarried in the activation request message, and the UE starts to send theuplink data on the secondary uplink carrier serving cell and starts thetransmission on the uplink DPCCH.

In step 405, the base station notifies the state of the secondary uplinkcarrier serving cell to the RNC.

In this step, the base station sends the state notification message tothe RNC. The state notification message carries the state of thesecondary uplink carrier serving cell.

In step 406, the RNC forwards the state of the secondary uplink carrierserving cell to other cells in a secondary carrier active set that donot learn that state of the secondary uplink carrier serving cellchanges.

When the UE establishes connection with the base station through thesecondary uplink carrier serving cell, the UE actually establishesconnection with all cells in the secondary carrier active set. The UEonly selects a cell with optimal signal quality as the secondary uplinkcarrier serving cell, and sends the uplink data through all uplink cellsin the secondary carrier active set. However, the base station onlyreceives the uplink data sent through the secondary uplink carrierserving cell. Link detection is performed on all cells in the secondarycarrier active set, which is specifically: synchronously detecting theuplink DPCCH. When the base station detects that a certain link isdisconnected, the base station sends a Radiolink Failure to the RNC toindicate that this link is disconnected.

When the UE deactivates the secondary uplink carrier serving cell, theuplink DPCCH connected with the cell in the secondary carrier active setis no longer detected. The UE is not disconnected from the cells in thesecondary carrier active set completely, so that other cells may besubsequently selected to perform the activating operation.

This step is an optional step. After receiving the state notificationmessage, the base station forwards the state notification message to allother cells of the secondary carrier active set.

If the UE performs the deactivating operation on the secondary uplinkcarrier serving cell, all cells in the secondary carrier active set stopsynchronous detection of the uplink DPCCH. If the UE performs theactivating operation on the secondary uplink carrier serving cell, allcells in the secondary carrier active set start synchronous detection ofthe DPCCH.

This step ensures that the wireless link between the UE and the cells inthe secondary carrier active set is sustained, and the Radiolink Failurecaused by link failure is not reported to the RNC.

This step is an optional step. If the RNC does not notify other cellsexcept the secondary uplink carrier serving cell in the secondarycarrier active set after the secondary uplink carrier serving cell isdeactivated, a cell in the secondary carrier active set reports theRadiolink Failure to the RNC when detecting that synchronization fails.However, because the RNC knows the state of the secondary uplink carrierserving cell, the RNC does not respond to the received RadiolinkFailure, i.e., a corresponding link is not deleted, so that, thewireless link between the UE and the cells in the secondary carrieractive set is also sustained.

In the method for managing uplink carrier frequencies according to thisembodiment, the state switching decision indication is delivered by theRNC. The UE performs measurement and judgment according to the stateswitching decision indication. The UE selects a suitable secondaryuplink carrier serving cell according to a measurement result, andperforms the activating operation on the cell when dual-cell uplinkcollaboration is required; and the UE performs the deactivationoperation on the secondary uplink carrier serving cell when thesecondary uplink carrier serving cell is not needed to assist in sendingdata. In this way, in a dual-cell uplink collaboration mode, thesecondary uplink carrier serving cell is managed flexibly, and a problemthat multi-cell HSUPA collaboration cannot be used to transmit theuplink data is solved. Furthermore, after the base station indicates theUE to perform the state switching operation, the base station notifiesthe state of the secondary uplink carrier serving cell to the RNC, andthe RNC notifies the state of the secondary uplink carrier serving cellto other cells except the secondary uplink carrier serving cell in thesecondary carrier active set. As a result, synchronization of the cellstate is achieved, the amount of data processed by the RNC is reduced, avalid link is maintained, and network resources are saved; time neededfor the UE to complete the measurement and the judgment to obtain uplinkinformation is short, and the system efficiency is high.

A fifth embodiment of the present invention is provided in the followingwith reference to an accompanying drawing.

As shown in FIG. 5, the method for managing uplink carrier frequenciesaccording to this embodiment includes the following steps.

In step 501, a UE receives a state switching decision indication.

When the UE joins into a network through a base station, an RNC sends tothe UE the state switching decision indication which instructs the UE toperform measurement and judgement according to the state switchingdecision indication and implement activation and deactivation operationsof secondary uplink a secondary uplink carrier serving cell. Thesecondary uplink carrier serving cell in the embodiment of the presentinvention specifically refers to a secondary carrier E-DCH cell.

In this step, the base station receives the state switching decisionindication. The state switching decision indication carries decisioncontrol. The decision control is as described in the embodiment shown inFIG. 2, and will not be described in detail here.

In step 502, the UE performs state switching decision, and sends a stateswitching request message to the RNC.

In this step, the UE measures a related decision object according to thestate switching decision indication received in step 401, and comparesthe measurement result with the decision parameter to determine whetherit is needed to activate the secondary uplink carrier serving cell. Inthis step, a specific process that the UE performs the state switchingdecision is similar to a process that the base station performs thestate switching decision described in the embodiment shown in FIG. 2,and will not be described in detail here.

If the UE decides to perform the deactivating operation on the secondaryuplink carrier serving cell, a deactivation request message is sent tothe RNC for permitting the UE to stop sending uplink data through thesecondary uplink carrier serving cell, where the deactivation requestmessage carries an identifier of the secondary uplink carrier frequencywhich the secondary uplink carrier serving cell uses (the identifier maybe a frequency value of the secondary uplink carrier frequency, or aunique identifier allocated for the secondary uplink carrier frequencyby the system). The deactivation request message is borne in an RRCmessage, or may be borne in a MAC PDU.

If the UE decides to perform the activating operation on the secondaryuplink carrier serving cell, an activation request message is sent tothe RNC. The activation request message carries an identifier of thesecondary uplink carrier frequency which the selected secondary uplinkcarrier serving cell uses (the identifier may a frequency value of thesecondary uplink carrier frequency, or a unique identifier allocated forthe secondary uplink carrier frequency by the system). The activationrequest message may be a physical layer message, or may be a MAC PDU.

In step 503, the RNC forwards the state switching request message to thebase station.

In this step, the RNC forwards the activation request message ordeactivation request message, which is received in step 502, to the basestation.

Alternatively, the RNC may directly send a state switching responsemessage to the UE, so as to trigger the UE to perform state switching onthe secondary uplink carrier serving cell.

In step 504, the base station sends the state switching response messageto the UE through a physical layer message.

In step 505, the UE performs the state switching.

In this step, the UE, according to a decision result in step 502,performs a corresponding state switching operation on the secondaryuplink carrier serving cell after receiving the state switchingresponse.

If the UE receives a deactivation response message, the UE stops sendingthe uplink data on the secondary uplink carrier serving cell, forexample, stops sending the uplink data on the secondary uplink carrierserving cell and stops the transmission on the uplink DPCCH.

If the UE receives an activation response message, the UE, according tosecondary uplink a secondary uplink carrier identifier carried in theactivation request message, starts to send the uplink data on thesecondary uplink carrier serving cell and starts the transmission on theuplink DPCCH.

In step 506, the RNC forwards a state of the secondary uplink carrierserving cell to all cells in a secondary carrier active set.

When the UE establishes connection with the base station through thesecondary uplink carrier serving cell, the UE actually establishesconnection with all cells in the secondary carrier active set. The UEonly selects a cell with optimal signal quality as the secondary uplinkcarrier serving cell, and sends the uplink data through all uplink cellsin the secondary carrier active set. However, the base station onlyreceives the uplink data sent through the secondary uplink carrierserving cell. Link detection is performed on all cells in the secondarycarrier active set, which is specifically: synchronously detecting theuplink DPCCH. When the base station detects that synchronization of acertain link fails, the base station sends a Radiolink Failure to theRNC to indicate that the synchronization fails.

When the UE deactivates the secondary uplink carrier serving cell, theuplink DPCCH connected with the cell in the secondary carrier active setis no longer detected. The UE is not disconnected from the cells in thesecondary carrier active set completely, so that other cells may besubsequently selected to perform the activating operation.

After receiving the state notification message, the base stationforwards the state notification message to all other cells of thesecondary carrier active set.

If the UE performs the deactivating operation on the secondary uplinkcarrier serving cell, all cells in the secondary carrier active set stopsynchronous detection of the uplink DPCCH. If the UE performs theactivating operation on the secondary uplink carrier serving cell, allcells in the secondary carrier active set start synchronous detection ofthe DPCCH.

This step ensures that the wireless link between the UE and the cells inthe secondary carrier active set is sustained, and the Radiolink Failurecaused by link failure is not reported to the RNC.

This step is an optional step. If the secondary uplink carrier servingcell is deactivated, and the RNC does not notify information indicatingthat the secondary uplink carrier serving cell is deactivated to othercells except the secondary uplink carrier serving cell in the secondarycarrier active set, a cell in the secondary carrier active set reports aRadiolink Failure to the RNC when detecting that the linksynchronization fails. However, because the RNC knows the state of thesecondary uplink carrier serving cell, the received Radiolink Failure isdiscarded, i.e., a corresponding link is not deleted, so that, thewireless link between the UE and the cells in the secondary carrieractive set is also sustained.

In the method for managing uplink carrier frequencies according to thisembodiment, the state switching decision indication is delivered by theRNC. The UE performs measurement and judgment according to the stateswitching decision indication. The UE selects a suitable secondaryuplink carrier serving cell according to a measurement result, andperforms the activating operation on the cell when dual-cell uplinkcollaboration is required; and the UE performs the deactivationoperation on the secondary uplink carrier serving cell when thesecondary uplink carrier serving cell is not needed to assist in sendingdata. In this way, in a dual-cell uplink collaboration mode, thesecondary uplink carrier serving cell is managed flexibly, and a problemthat multi-cell HSUPA collaboration cannot be used to transmit theuplink data is solved. Furthermore, after the base station instructs theUE to perform the state switching operation, the base station notifiesthe state of the secondary uplink carrier serving cell to the RNC, andthe RNC notifies the state of the secondary uplink carrier serving cellto other cells except the secondary uplink carrier serving cell in thesecondary carrier active set. As a result, synchronization of the cellstate is achieved, the amount of data processed by the RNC is reduced, avalid link is maintained, and network resources are saved; time neededfor the UE to complete the measurement and the judgment to obtain uplinkinformation is short, and the efficiency of the system is high.

A sixth embodiment of the present invention is provided in the followingwith reference to an accompanying drawing.

As shown in FIG. 6, the method for managing uplink carrier frequenciesaccording to this embodiment includes the following steps.

In step 601, a UE receives a state switching decision indication.

When the UE joins into a network through a base station, an RNC sendsthe state switching decision indication to the UE, which instructs theUE to perform measurement and judgment according to the state switchingdecision indication and implement activation and deactivation operationsof a secondary uplink carrier serving cell. The secondary uplink carrierserving cell in this embodiment is a secondary carrier E-DCH cell.

In the embodiment of the present invention, the state switching decisionindication specifically refers to a measurement control message. In thisstep, the UE receives a measurement control. The measurement controlcarries multiple measurement objects, such as measurement of UE uplinktransmit power, measurement of secondary carrier uplink wireless signalquality, and measurement of the amount of uplink data to be sent by theUE, and the measurement control may further include parameters such as ameasurement time window, an event report threshold, and a report period.The measurement objects in the measurement control are independent ofeach other. The type of measurement object to be sent to a mobile phoneis determined by a network side. Specific content of decision control isas described in the embodiment shown in FIG. 2, and will not bedescribed in detail here.

In step 602, the UE sends a measurement report to the RNC.

In this step, the UE performs measurement according to the measurementcontrol received in step 601, generates a measurement report on thebasis of a measurement result, and sends the measurement report to theRNC.

In step 603, the RNC performs state switching decision.

In this step, the RNC stores a decision parameter for judging whetheractivation or deactivation is to be performed. In this step, accordingto the measurement report received in step 602, the RNC compares themeasurement result with the decision parameter, so as to determinewhether it is needed to activate the secondary uplink carrier servingcell.

If the UE is in a dual-cell uplink collaboration activated state, thatis, the UE is connected with the base station through the primarycarrier cell and the secondary uplink carrier serving cellsimultaneously for sending the uplink data. In one measure window, aslong as a measurement value of one control object satisfies thedeactivation threshold, for example, when the amount of the uplink datatransmitted by the secondary uplink carrier serving cell is very small,or when the signal quality of the secondary uplink carrier serving cellis poor and cannot satisfy the quality standard of the uplink signal,the RNC sends a deactivation request message carrying an identifier ofthe secondary uplink carrier frequency, which the secondary uplinkcarrier serving cell uses, to the base station (the identifier may be afrequency value of the secondary uplink carrier frequency, or a uniqueidentifier allocated for the secondary uplink carrier frequency by thesystem), and requests the UE to stop sending uplink data through thesecondary uplink carrier serving cell.

If the UE is in a dual-cell uplink collaboration deactivated state, theUE currently sends the uplink data only through the primary carriercell. In one measure window, if the amount of the uplink data of the UEexceeds the activation threshold, and the signal quality of thesecondary uplink carrier serving cell satisfies the quality standard ofthe uplink signal quality standard, the RNC sends an activation requestmessage to the base station. The activation request message carries anidentifier of the secondary uplink carrier frequency which the selectedsecondary uplink carrier serving cell uses (the identifier may be afrequency value of the secondary uplink carrier frequency, or a uniqueidentifier allocated for the secondary uplink carrier frequency by thesystem). The activation request message may be a Node B Application Part(NBAP) message.

In step 604, the base station forwards a state switching request messageto the UE.

In this step, the base station forwards the activation request messageor the deactivation request message received in step 603 to the UE. Theactivation request message or the deactivation request message is borneon a physical layer channel.

In step 605, the UE performs the state switching.

In this step, after receiving the state switching request message, theUE performs a corresponding state switching operation on the secondaryuplink carrier serving cell. A specific process that the UE performs thestate switching is as described in the embodiment shown in FIG. 2, andwill not be described in detail here.

If the UE receives the deactivation request message, the UE stopssending the uplink data on the secondary uplink carrier serving cell,for example, stops sending on the secondary carrier E-DCH andtransmission on the uplink DPCCH.

If the UE receives the activation request message, the UE starts thesending of the E-DCH on the secondary uplink carrier serving cell andthe transmission on the uplink DPCCH according to an identifier of thesecondary uplink carrier frequency which a secondary uplink carrierserving cell uses, where the identifier is carried in the activationrequest message.

In step 606, the UE sends a state switching response message to the basestation.

In this step, the UE sends the state switching response message to thebase station through a physical layer message. If the UE performs theactivating operation on the secondary uplink carrier serving cell, anactivation response message is sent. If the UE performs the deactivatingoperation on the secondary uplink carrier serving cell, a deactivationresponse message is sent.

In step 607, the RNC forwards a state of the secondary uplink carrierserving cell to all cells in a secondary carrier active set.

When the UE establishes connection with the base station through thesecondary uplink carrier serving cell, the UE actually establishesconnection with all cells in the secondary carrier active set, and sendsthe uplink data through all uplink cells in the secondary carrier activeset. However, the base station only receives the uplink data sentthrough the secondary uplink carrier serving cell. Link detection isperformed on all cells in the secondary carrier active set, which isspecifically: synchronously detecting the uplink DPCCH. When the basestation detects that synchronization of a certain link fails, the basestation sends a Radiolink Failure to the RNC to indicate that thesynchronization fails.

When the UE deactivates the secondary uplink carrier serving cell, theuplink DPCCH connected with the cell in the secondary carrier active setis no longer detected. The UE is not disconnected from the cells in thesecondary carrier active set completely, so that other cells except thesecondary uplink carrier serving cell in the secondary carrier activeset may be subsequently selected to perform the activating operation.

After receiving the state notification message, the base stationforwards the state notification message to all other cells of thesecondary carrier active set.

If the UE performs the deactivating operation on the secondary uplinkcarrier serving cell, all cells in the secondary carrier active set stopsynchronous detection of the uplink DPCCH. If the UE performs theactivating operation on the secondary uplink carrier serving cell, allcells in the secondary carrier active set start synchronous detection ofthe DPCCH.

This step ensures that the wireless link between the UE and the cells inthe secondary carrier active set is sustained, and the Radiolink Failurecaused by link failure is not reported to the RNC.

This step is an optional step. If the secondary uplink carrier servingcell is deactivated, and the RNC does not notify information indicatingthat the secondary uplink carrier serving cell is deactivated to othercells except the secondary uplink carrier serving cell in the secondarycarrier active set, a cell in the secondary carrier active set reports aRadiolink Failure to the RNC when detecting that the linksynchronization fails. However, because the RNC knows the state of thesecondary uplink carrier serving cell, the RNC does not respond to thereceived Radiolink Failure, i.e., a corresponding link is not deleted,so that, the wireless link between the UE and the cells in the secondarycarrier active set is also sustained.

In other embodiments of the present invention, the measurement controlmay also be sent to the base station through the RNC. An implementationprocess that the measurement control may also be sent to the basestation through the RNC is similar to a process that the UE reports themeasurement report described in this embodiment, and will not bedescribed in detail here.

In the method for managing uplink carrier frequencies according to thisembodiment, the RNC sends the measurement control to the UE, and the UEreports the measurement result for judging whether it is needed toactivate the secondary uplink carrier serving cell. The RNC performsjudgment according to the measurement result. The RNC selects a suitablesecondary uplink carrier serving cell according to a measurement result,and instructs the UE to perform the activating operation on the cellwhen dual-cell uplink collaboration is required; and the RNC performsthe deactivation operation on the secondary uplink carrier serving cellwhen the secondary uplink carrier serving cell is not needed to assistin sending data. In this way, in a dual-cell uplink collaboration mode,the UE is instructed to flexibly manage the secondary uplink carrierserving cell, and a problem that multi-cell HSUPA collaboration cannotbe used to transmit the uplink data is solved. Furthermore, the state ofthe secondary uplink carrier serving cell is notified to other cellsexcept the secondary uplink carrier serving cell in the secondarycarrier active set. As a result, synchronization of the cell state isachieved, the amount of data processed by the RNC is reduced, a validlink is maintained, and network resources are saved.

A seventh embodiment of the present invention is provided in thefollowing with reference to an accompanying drawing.

In order to solve a problem that multi-cell HSUPA collaboration cannotbe used to transmit uplink data, the method for managing uplink carrierfrequencies according to the embodiment of the present invention, asshown in FIG. 7, includes the following steps.

In step 701, a UE receives a state switching decision indication.

When the UE joins into a network through a base station, an RNC sends tothe UE the state switching decision indication which instructs the UE toperform measurement and judgment according to the state switchingdecision indication and implement activation and deactivation operationsof a secondary uplink carrier serving cell. The secondary uplink carrierserving cell in this embodiment is a secondary carrier E-DCH cell.

In the embodiment of the present invention, the state switching decisionindication specifically refers to a measurement control message. In thisstep, the UE receives a measurement control. The measurement controlcarries multiple measurement objects, such as measurement of UE uplinktransmit power, measurement of secondary carrier uplink wireless signalquality, and measurement of the amount of uplink data to be sent by theUE, and may further include parameters such as a measurement timewindow, event report threshold, and report period. The measurementobjects in the measurement control are independent of each other. Thetype of measurement object to be sent to a mobile phone is decided by anetwork side. Specific content of the measurement control is asdescribed in the embodiment shown in FIG. 2, and will not be describedin detail here.

In step 702, the UE sends a measurement report to the RNC.

In this step, the UE performs measurement according to the measurementcontrol received in step 701, generates a measurement report on thebasis of a measurement result, and sends the measurement report to theRNC.

In step 703, the RNC performs state switching decision.

The RNC stores a decision parameter required for judging whetheractivation or deactivation is to be performed. In this step, accordingto the measurement report received in step 702, the RNC compares themeasurement result with the decision parameter, so as to determinewhether it is needed to activate the secondary uplink carrier servingcell.

If the UE is in a dual-cell uplink collaboration activated state, thatis, the UE is connected with the base station through the primarycarrier cell and the secondary uplink carrier serving cellsimultaneously for sending the uplink data. In one measure window, aslong as a measurement value of one control object satisfies thedeactivation threshold, for example, when the amount of the uplink datatransmitted by the secondary uplink carrier serving cell is very small,or when the signal quality of the secondary uplink carrier serving cellis poor and cannot satisfy the quality standard of the uplink signal,the RNC sends to the base station and the UE a deactivation requestmessage carrying an identifier of the secondary uplink carrier frequencywhich the secondary uplink carrier serving cell uses (the identifier maybe a frequency value of the secondary uplink carrier frequency, or aunique identifier allocated for the secondary uplink carrier frequencyby the system), and requests the UE to stop sending uplink data throughthe secondary uplink carrier serving cell.

If the UE is in a dual-cell uplink collaboration deactivated state, theUE currently sends the uplink data only through the primary carriercell. In one measure window, if the amount of the uplink data of the UEis beyond the activation threshold, and the signal quality of thesecondary uplink carrier serving cell satisfies the signal qualitystandard, the RNC sends an activation request message to the basestation and the UE. The activation request message carries an identifierof the secondary uplink carrier frequency which the selected secondaryuplink carrier serving cell uses (the identifier may be a frequencyvalue of the secondary uplink carrier frequency, or a unique identifierallocated for the secondary uplink carrier frequency by the system). Theactivation request message may be a physical layer message or a MAC PDU.

In step 704, the UE performs state switching.

In this step, the UE performs a corresponding state switching operationon the secondary uplink carrier serving cell according to the stateswitching request received in step 703.

If the UE receives the deactivation request message, the UE stopssending the uplink data on the secondary uplink carrier serving cell,for example, stops the sending on the secondary carrier E-DCH and thetransmission on the uplink DPCCH.

If the UE receives the activation request message, according to asecondary uplink carrier identifier carried in the activation requestmessage, the UE starts the sending of E-DCH on the secondary uplinkcarrier serving cell and the transmission on the uplink DPCCH.

In step 705, the UE sends a state switching response to the RNC.

In this embodiment, the measurement control may also be sent to the basestation through the RNC. An implementation process that the measurementcontrol may also be sent to the base station through the RNC is similarto a process that the mobile phone reports the measurement reportdescribed in this embodiment, and will not be described in detail here.

In the method for managing uplink carrier frequencies according to thisembodiment, the RNC sends the measurement control to the UE, and the UEreports the measurement result required for judging whether it is neededto activate the secondary uplink carrier serving cell. The RNC performsjudgment according to the measurement result. The RNC selects a suitablesecondary uplink carrier serving cell according to the measurementresult, and instructs the UE to perform the activating operation on thecell when dual-cell uplink collaboration is required; and the RNCperforms the deactivation operation on the secondary uplink carrierserving cell when the secondary uplink carrier serving cell is notneeded to assist in sending data. In this way, in a dual-cell uplinkcollaboration mode, the UE is instructed to flexibly manage thesecondary uplink carrier serving cell, and a problem that multi-cellHSUPA collaboration cannot be used to transmit the uplink data issolved. Furthermore, the state of the secondary uplink carrier servingcell is notified to other cells except the secondary uplink carrierserving cell in the secondary carrier active set. As a result,synchronization of the cell state is achieved, the amount of dataprocessed by the RNC is reduced, a valid link is maintained, and networkresources are saved.

An eighth embodiment of the present invention is provided in thefollowing with reference to an accompanying drawing.

As shown in FIG. 8, the method for managing uplink carrier frequenciesaccording to this embodiment includes the following steps.

In step 801, a base station sends a measurement report to an RNC.

In this step, the base station sends the measurement report to the RNC.The measurement report may be sent to the RNC through an NBAP message orFrame Protocol (FP) frame. The measurement report can includeinformation such as measurement of UE uplink transmit power, measurementof uplink wireless signal quality, measurement of uplink carrier load,buffered state of UE uplink data or amount of data to be sent.

In step 802, the RNC performs state switching decision.

In this embodiment, the RNC stores a decision parameter for judgingwhether activation or deactivation is to be performed. According to themeasurement report received in step 801, the RNC compares themeasurement result with the decision parameter, so as to determinewhether it is needed to activate or deactivate the secondary uplinkcarrier serving cell, and sends a state switching request message to thebase station according to a judgment result.

If the UE is in a dual-cell uplink collaboration activated state, thatis, the UE is connected with the base station through the primarycarrier cell and the secondary uplink carrier serving cellsimultaneously for sending the uplink data. In one measure window, aslong as a measurement value of one control object satisfies thedeactivation threshold, for example, when the amount of the uplink datais very small, or when the signal quality of the secondary uplinkcarrier serving cell is poor and cannot satisfy the quality standard ofthe uplink signal, the RNC sends a deactivation request message to allbase stations in a secondary carrier active set of the UE, and requeststhe UE to stop sending uplink data through the secondary uplink carrierserving cell.

If the UE is in a dual-cell uplink collaboration deactivated state, theUE currently sends the uplink data only through the primary carriercell. In one measure window, if the amount of the uplink data of the UEexceeds the activation threshold, and the signal quality of thesecondary uplink carrier serving cell satisfies carrier load standard(for example, the signal quality satisfies the quality standard of theuplink signal), the RNC sends an activation request message to the basestation. The activation request message may be an NBAP message or FPframe.

After receiving the deactivation request message, a secondary uplinkcarrier non-serving cell in the secondary carrier active set stopssynchronously detecting an uplink DPCCH and receiving data. Thedeactivation request message may be an NBAP message or FP frame.

The step that the RNC sends the deactivation request message to anon-serving cell in the secondary carrier active set is an optionalstep. If the secondary uplink carrier serving cell is deactivated, andthe RNC does not notify information indicating that the secondary uplinkcarrier serving cell is deactivated to other cells except the secondaryuplink carrier serving cell in the secondary carrier active set, a cellin the secondary carrier active set reports a Radiolink Failure to theRNC when detecting that the link synchronization fails. However, becausethe RNC knows the state of the secondary uplink carrier serving cell,the RNC does not respond to the received Radiolink Failure, i.e., acorresponding link is not deleted, so that, the wireless link betweenthe UE and the cells in the secondary carrier active set is alsosustained.

In step 803, the base station forwards a state switching request messageto the UE.

In this step, the base station forwards the activation request messageor the deactivation request message received in step 802 to the UE. Theactivation request message or the deactivation request message is borneon a physical layer channel, such as a High Speed Shared Control Channel(HS-SCCH).

In step 804, the UE performs the state switching.

In this step, according to the state switching request message receivedin step 803, the UE performs a corresponding state switching operationon the secondary uplink carrier serving cell.

If the UE receives the deactivation request message, the UE stopssending the uplink data on the secondary uplink carrier serving cell,for example, stops the sending on the secondary carrier E-DCH and thetransmission on the uplink DPCCH.

If the UE receives the activation request message, the UE starts thesending of E-DCH on the secondary uplink carrier serving cell and thetransmission on the uplink DPCCH.

In step 805, the UE sends a state switching response message to the basestation.

In this step, the UE sends the state switching response message to thebase station through a physical layer message, which indicates that acorresponding operation is performed according to the state switchingmessage sent by the base station.

Additionally, if the RNC finds that the primary carrier cell satisfies adeactivation condition (for example, signal quality cannot meet therequirements for normal communication) when performing the stateswitching decision in step 802, the RNC makes a reconfiguration decisionand reconfigures the primary carrier cell and the secondary uplinkcarrier serving cell for the UE, or alternatively switches the UE from adual-cell collaboration state to a single carrier mode.

The sequence of specific operations in steps 804 and 805 is not limited,and the two steps may be performed simultaneously. Also, switching mayfirstly be performed, and the response is sent after the switching iscompleted. Alternatively, the response is returned once the stateswitching message is received, and then the switching is performed. Thesequence is not limited in the present invention.

In the method for managing uplink carrier frequencies according to thisembodiment, the measurement control is sent to the UE. The RNC judgeswhether it is needed to perform the state switching according to themeasurement report sent by the base station and information of thesecondary uplink carrier serving cell used by the UE. The RNC selects asuitable secondary uplink carrier serving cell according to ameasurement result, and instructs the UE to perform the activatingoperation on the cell when dual-cell uplink collaboration is required;and the RNC performs the deactivation operation on the secondary uplinkcarrier serving cell when the secondary uplink carrier serving cell isnot needed to assist in sending data. In this way, in a dual-cell uplinkcollaboration mode, the UE is instructed to flexibly manage thesecondary uplink carrier serving cell. In this embodiment, further, thestate of the secondary uplink carrier serving cell is notified to othercells except the secondary uplink carrier serving cell in the secondarycarrier active set. As a result, synchronization of the cell state isachieved, the amount of data processed by the RNC is reduced, a validlink is maintained, and network resources are saved. In this embodiment,when the primary carrier cell satisfies the deactivation condition, areconfiguration operation is performed on the UE, and a new primarycarrier cell and a new secondary uplink carrier serving cell arespecified. In this way, information transmission quality is furtherimproved.

A ninth embodiment of the present invention is provided in the followingwith reference to an accompanying drawing.

As shown in FIG. 9, the method for managing uplink carrier frequenciesaccording to this embodiment includes the following steps.

In step 901, a base station performs state switching decision.

In this step, the base station may judge whether it is needed to performstate switching according to a measurement report sent by a UE anddecision information such as cell-level uplink load information on thebase station. The decision information may include information such asmeasurement of UE uplink transmit power, measurement of uplink wirelesssignal quality, measurement of uplink carrier load, buffered state of UEuplink data, or amount of data to be sent.

In this embodiment, the base station stores a decision parameterrequired for judging whether activation or deactivation is to beperformed. The base station compares a measurement result carried in themeasurement report and the cell-level uplink load information on thebase station with the decision parameter, so as to determine whether itis needed to activate the secondary uplink carrier serving cell, andsends a state switching request message to the RNC according to ajudgment result. A specific process that the base station performs thestate switching decision is as described in the embodiment shown in FIG.2, and will not be described in detail here.

If the base station decides to perform a deactivation operation on thesecondary carrier serving cell, a deactivation request message is sentto the RNC for requesting the RNC to perform the state switchingdecision, and requesting the UE to stop sending uplink data through thesecondary uplink carrier serving cell.

If the base station decides that it is needed to perform an activationoperation on the secondary carrier serving cell, the deactivationrequest message is sent to the RNC to request the RNC to perform thestate switching decision.

The activation request message and the deactivation request message maybe an NBAP message or FP frame.

In step 902, the RNC performs the state switching decision.

In this step, after receiving the state switching request message sentby the base station in step 1801, the RNC performs the state switchingdecision according to related information of the UE on the current RNC,such as active set information, and cell uplink load information. TheRNC may perform the state switching decision according to the receivedstate switching request message sent by the base station and active setinformation of the UE. The RNC sends a decision result in a manner ofthe activation request message or deactivation request message to aserving base station or all cells in the secondary carrier active set ofthe UE, and the specific process is as described in step 802 in theeighth embodiment of the present invention.

Steps 903 to 905 in the embodiment of the present invention arebasically the same as steps 803 to 805 in the eighth embodiment of thepresent invention, and will not be described in detail here.

Additionally, if the RNC finds that the primary carrier cell satisfiesthe deactivation condition when the RNC performs the state switchingdecision in step 902, the RNC makes a reconfiguration decision andreconfigures the primary carrier cell and the secondary uplink carrierserving cell for the UE, or alternatively switches the UE from adual-cell collaboration state to a single carrier mode.

In the method for managing uplink carrier frequencies according to thisembodiment, the base station triggers the state switching decision. TheRNC judges whether it is needed to perform the state switching accordingto the state switching request message sent by the base station andactive set information of the UE. The RNC selects a suitable secondaryuplink carrier serving cell according to a measurement result, andinstructs the UE to perform the activating operation on the cell whendual-cell uplink collaboration is required; and the RNC performs thedeactivation operation on the secondary uplink carrier serving cell whenthe secondary uplink carrier serving cell is not needed to assist insending data. In this way, in a dual-cell uplink collaboration mode, theUE is instructed to flexibly manage the secondary uplink carrier servingcell. In this embodiment, when the primary carrier cell satisfies thedeactivation condition, a reconfiguration operation may be furtherperformed on the UE, and a new primary carrier cell and a new secondaryuplink carrier serving cell are specified. As a result, informationtransmission quality is further improved.

A tenth embodiment of the present invention is provided in detail in thefollowing with reference to an accompanying drawing.

As shown in FIG. 10, the method for managing uplink carrier frequenciesaccording to this embodiment includes the following steps.

In step 1001, a base station performs state switching decision.

In this step, the base station performs the state switching decisionaccording to a measurement report sent by a UE, where the measurementreport includes information for performing the state switching decision,such as scheduling information of a primary carrier cell and a secondarycarrier cell, current cell load, and signal quality.

If the base station judges that it is needed to perform a deactivationoperation on the secondary carrier serving cell, a deactivation requestmessage is sent to the UE. If the base station judges that it is neededto perform an activation operation on the secondary carrier servingcell, an activation request message is sent to the UE.

The activation request message and the deactivation request message maybe borne on a physical channel, such as an HS-SCCH channel.

Steps 1002 to 1003 in the embodiment of the present invention arebasically the same as steps 804 to 805 in the eighth embodiment of thepresent invention, and will not be described in detail here.

If the activating operation is performed on the secondary carrierserving cell in the foregoing process, it is needed to notify theinformation indicating that the secondary carrier serving cell is in anactivation state to the RNC and other cells in the secondary carrieractive set. The detailed steps are as follows:

In step 1004, the base station forwards a state switching responsemessage to the RNC.

In this step, the base station forwards the state switching responsemessage, which is sent by the UE and is received in step 1003, to theRNC, so as to notify a current working state of the UE to the RNC.

The base station may send the state switching response message to theRNC through an NBAP (Node B Application Part) message or FP (FrameProtocol) frame.

In step 1005, the RNC forwards a state notification message to asecondary uplink carrier non-serving cell in the secondary carrieractive set.

This step is an optional step. When the secondary uplink carrier cell isdeactivated, the RNC sends the state notification message to thesecondary uplink carrier non-serving cell in the secondary carrieractive set of the UE. The state notification message may be an NBAP(Node B Application Part) message or FP (Frame Protocol) frame.

If the state switching response message is a deactivation responsemessage, a secondary uplink carrier non-serving cell in the secondarycarrier active set stops the synchronous detection of an uplink DPCCHand stops receiving data after receiving the deactivation responsemessage.

Additionally, if the secondary uplink carrier serving cell isdeactivated, and the RNC does not notify information indicating that thesecondary uplink carrier serving cell is deactivated to other cellsexcept the secondary uplink carrier serving cell in the secondarycarrier active set, a cell in the secondary carrier active set reports aRadiolink Failure to the RNC when detecting that the linksynchronization fails. However, because the RNC knows the state of thesecondary uplink carrier serving cell, a response is not made to thereceived Radiolink Failure, i.e., a corresponding link is not deleted,so that, the wireless link between the UE and the secondary carrieractive set cell is also sustained.

In the method for managing uplink carrier frequencies according to thisembodiment, the base station judges whether it is needed to activate thesecondary uplink carrier serving cell according to the measurementreport sent by the UE. The base station selects a suitable secondaryuplink carrier serving cell according to a measurement result, andinstructs the UE to perform the activating operation on the cell whendual-cell uplink collaboration is required; and the base stationperforms the deactivation operation on the secondary uplink carrierserving cell when the secondary uplink carrier serving cell is notneeded to assist in sending data. In this way, in a dual-cell uplinkcollaboration mode, the UE is instructed to flexibly manage thesecondary uplink carrier serving cell. In this embodiment, the state ofthe secondary uplink carrier serving cell is notified to other cellsexcept the secondary uplink carrier serving cell in the secondarycarrier active set. As a result, synchronization of the cell state isachieved, the amount of data processed by the RNC is reduced, a validlink is maintained, and network resources are saved.

FIG. 11 is a schematic diagram of an internal structure of a UEaccording to an embodiment of the present invention. As shown in FIG.11, the UE includes an indication acquiring module 1101, switchingmodule 1102 and a request sending module 1103.

The indication acquiring module 1101 is configured to acquire a stateswitching decision indication of secondary uplink carrier frequencies.

The switching module 1102 is configured to perform state switching on atleast one secondary uplink carrier serving cell according to the stateswitching decision indication.

The request sending module 1103 is configured to send a state switchingrequest message to a base station. The state switching request messageincludes an activation request message or deactivation request message.The state switching request message is physical layer information, whichspecifically refers to a high speed shared control channel (HS-SCCH), oran enhanced dedicated channel absolute grant channel (E-AGCH) or anenhanced dedicated channel relative grant channel (E-RGCH).

Further, FIG. 12 is a schematic diagram of the switching module 1002,and the switching module 1002 includes:

The uplink data amount information acquiring unit 11021 is configured toacquire amount of uplink data of the UE.

The signal quality information acquiring unit 11022 is configured toacquire current signal quality of the secondary uplink carrier servingcell.

The state switching performing unit 11023 is configured to judge whetherthe state switching is performed on at least one secondary uplinkcarrier serving cell.

Specifically, if the amount of the uplink data exceeds an activationthreshold, and the current signal quality of the secondary uplinkcarrier serving cell satisfies an uplink signal quality standard, thestate switching performing unit 11023 is configured to switch a state ofthe secondary uplink carrier serving cell to an activated state. If theamount of the uplink data is lower than a deactivation threshold, thestate switching performing unit 11023 is configured to switch the stateof the secondary uplink carrier serving cell to a deactivated state; orif the current signal quality of the secondary uplink carrier servingcell cannot reach the uplink signal quality standard, the stateswitching performing unit 11023 is configured to switch the state of thesecondary uplink carrier serving cell to the deactivated state.

FIG. 13 is a schematic diagram of a base station according to anembodiment of the present invention. As shown in FIG. 13, the basestation includes:

The indication acquiring module 1301 is configured to acquire a stateswitching decision indication of secondary uplink carrier frequencies.

The switching module 1302 is configured to perform state switching on atleast one secondary uplink carrier serving cell according to the stateswitching decision indication.

The request sending module 1303 is configured to send a state switchingrequest message to the UE, where the state switching request messageincludes an activation request message or deactivation request messageand the state switching request message is physical layer informationwhich specifically refers to an HS-SCCH, or an E-AGCH or an E-RGCH.

Further, FIG. 14 is a schematic diagram of an internal structure of theswitching module 1302, and the switching module 1302 includes a uplinkdata amount information acquiring unit 13021, a signal qualityinformation acquiring unit 13022 and state switching performing unit13023.

The uplink data amount information acquiring unit 13021 is configured toacquire amount of uplink data of the UE.

The signal quality information acquiring unit 13022 is configured toacquire current signal quality of a serving cell working at thesecondary uplink carrier frequency.

The state switching performing unit 13023 is configured to judge whetherthe state switching is performed on at least one secondary uplinkcarrier serving cell.

Specifically, if the amount of the uplink data exceeds an activationthreshold, and the current signal quality of the secondary uplinkcarrier serving cell satisfies an uplink signal quality standard, thestate switching performing unit 13023 is configured to switch a state ofthe secondary uplink carrier serving cell to an activated state. If theamount of the uplink data is below a deactivation threshold, the stateswitching performing unit 13023 is configured to switch the state of thesecondary uplink carrier serving cell to a deactivated state; or if thecurrent signal quality of the secondary uplink carrier serving cellcannot reach the uplink signal quality standard, the state switchingperforming unit 13023 is configured to switch the state of the secondaryuplink carrier serving cell to the deactivated state.

FIG. 15 is a schematic diagram of an RNC according to an embodiment ofthe present invention. As shown in FIG. 15, the RNC includes anindication sending module 1501 and a state acquiring module 1502.

The indication sending module 1501 is configured to send a stateswitching decision indication of a secondary uplink carrier servingcell.

The state acquiring module 1502 is configured to acquire a state of atleast one secondary uplink carrier serving cell after at least onesecondary uplink carrier serving cell, according to the state switchingdecision indication, completes state switching.

Further, as shown in FIG. 16, the RNC further includes a statesynchronizing module 1503.

The state synchronizing module 1503 is configured to notify the state ofthe secondary uplink carrier serving cell to all other cells except thesecondary uplink carrier serving cell in the secondary carrier activeset after the state acquiring module acquires the state of at least onesecondary uplink carrier serving cell; or notify the state of thesecondary uplink carrier serving cell to all cells in the secondarycarrier active set.

FIG. 17 is a schematic diagram of a system for managing uplink carrierfrequencies according to an embodiment of the present invention. Asshown in FIG. 17, the system includes a UE 1701, a base station 1702,and an RNC 1703.

The UE 1701 is configured to receive a state switching decisionindication of secondary uplink a secondary uplink carrier serving cellsent by the RNC 1703; perform state switching on at least one secondaryuplink carrier serving cell according to the state switching decisionindication; and notify a state of at least one secondary uplink carrierserving cell to the base station 1702.

The RNC 1703 is configured to send the state switching decisionindication of the secondary uplink carrier serving cell to the UE 1701;and acquire the state of at least one secondary uplink carrier servingcell after the UE 1701 completes the state switching of at least onesecondary uplink carrier serving cell.

The base station 1702 is configured to receive the state of at least onesecondary uplink carrier serving cell sent by the UE 1701 after the UE1701, according to the state switching decision indication, performs thestate switching on at least one secondary uplink carrier serving cell.

FIG. 18 is a schematic diagram of a system for managing uplink carrierfrequencies according to an embodiment of the present invention. Asshown in FIG. 18, the system includes a UE 1801, a base station 1802,and an RNC 1803.

The base station 1802 is configured to receive a state switchingdecision indication sent by the RNC 1803; perform state switching on atleast one secondary uplink carrier serving cell according to the stateswitching decision indication; and notify a state of at least onesecondary uplink carrier serving cell to the UE 1801.

The RNC 1803 is configured to send the state switching decisionindication of the secondary uplink carrier serving cell to the basestation 1802; and acquire the state of at least one secondary uplinkcarrier serving cell after the base station 1802 completes the stateswitching of at least one secondary uplink carrier serving cell.

The UE 1801 is configured to receive the state of at least one secondaryuplink carrier serving cell sent by the base station 1802 after the basestation 1802, according to the state switching decision indication,performs the state switching on at least one secondary uplink carrierserving cell.

FIG. 19 is a schematic diagram of a system for managing uplink carrierfrequencies according to an embodiment of the present invention. Asshown in FIG. 19, the system includes a UE 1901, a base station 1902,and an RNC 1903.

The RNC 1903 is configured to initiate state switching of at least onesecondary uplink carrier serving cell, and send a state switchingdecision indication, which specifically refers to a state switchingrequest message, of at least one secondary uplink carrier serving cellto the UE 1901 or the base station 1902.

The UE 1901 is configured to receive the state switching decisionindication of at least one secondary uplink carrier serving cell sent bythe RNC 1903, and perform the state switching on at least one secondaryuplink carrier serving cell.

The base station 1902 is configured to receive the state switchingdecision indication of at least one secondary uplink carrier servingcell sent by the RNC 1903, and perform the state switching on at leastone secondary uplink carrier serving cell.

The UE, the base station, the RNC and the system for managing uplinkcarrier frequencies may be combined with the method for managing uplinkcarrier frequencies provided by the embodiments of the presentinvention, so that state switching management of the secondary uplinkcarrier serving cell is triggered through the state switching decisionindication, the state switching of the secondary uplink carrier servingcell is completed according to the state switching decision indication,and the state of the secondary uplink carrier serving cell is notifiedto a communication opposite end. Thus, a working mechanism is providedfor implementing multi-cell collaboration in a data uplink direction,and a problem that multi-cell HSUPA collaboration cannot be used totransmit the uplink data is solved.

Persons of ordinary skill in the art should understand that all or apart of the steps of the method according to the embodiments of thepresent invention may be implemented by a program instructing relevanthardware. The program may be stored in a computer readable storagemedium, and the program is run with one or a combination of the steps ofthe method according to the embodiments of the present invention.

In addition, the functional units in each embodiment of the presentinvention may be integrated in one processing module, or each unitexists separately, or two or more units are integrated in one processingmodule. The integrated module may be embodied in the form of hardware ora software functional module. If the integrated module is embodied inthe form of a software functional module and is sold or used as aseparate product, the integrated module may be stored in a computerreadable storage medium.

The storage medium may be a Read-Only Memory (ROM), a magnetic disk, ora Compact Disk Read-Only Memory (CD-ROM).

The above descriptions are merely exemplary embodiments of the presentinvention, but not intended to limit the protection scope of the presentinvention. Any modification, equivalent replacement, or improvement madewithout departing from the spirit and principle of the present inventionshould fall within the protection scope of the present invention.Therefore, the protection scope of the present invention is subject tothe appended claims.

What is claimed is:
 1. A method for managing uplink carrier frequencies,comprising: receiving a state switching response message sent by a UserEquipment (UE), wherein the state switching response message comprises aresult of state switching performed by the UE on a secondary uplinkcarrier serving cell; and notifying, through an NBAP (Node B ApplicationPart) message, the result of the state switching to a secondary uplinkcarrier non-serving cell in a secondary carrier active set through aRadio Network Controller (RNC).
 2. The method for managing uplinkcarrier frequencies according to claim 1, wherein the state switchingresponse message is sent through a high speed dedicated physical controlchannel (HS-DPCCH).
 3. The method for managing uplink carrierfrequencies according to claim 1, wherein the result of the stateswitching comprises: the secondary uplink carrier serving cell isactivated or the secondary uplink carrier serving cell is deactivated.4. The method for managing uplink carrier frequencies according to claim1, further comprising: stopping, by the secondary uplink carriernon-serving cell in the secondary carrier active set, detecting anuplink dedicated physical control channel (DPCCH).
 5. The method formanaging uplink carrier frequencies according to claim 1, furthercomprising: sending a state switching request message to the UE, forrequesting the UE to perform the state switching on the secondary uplinkcarrier serving cell.
 6. The method for managing uplink carrierfrequencies according to claim 5, wherein the state switching requestmessage is sent through a high speed shared control channel (HS-SCCH),an enhanced dedicated channel absolute grant channel (E-AGCH), or anenhanced dedicated channel relative grant channel (E-RGCH).
 7. Themethod for managing uplink carrier frequencies according to claim 6,further comprising: acquiring a state switching decision indication ofthe secondary uplink carrier serving cell; and performing stateswitching decision on the secondary uplink carrier serving cellaccording to the state switching decision indication.
 8. The method formanaging uplink carrier frequencies according to claim 7, wherein theperforming the state switching decision on the secondary uplink carrierserving cell according to the state switching decision indicationcomprises: acquiring an amount of uplink data of the UE or currentuplink signal quality of the secondary uplink carrier serving cell; andperforming the state switching decision on the secondary uplink carrierserving cell according to the amount of the uplink data of the UE or thecurrent uplink signal quality of the secondary uplink carrier servingcell.
 9. A base station for managing uplink carrier frequencies,comprising: a receiver configured to receive a state switching responsemessage sent by a User Equipment (UE), wherein the state switchingresponse message comprises a result of state switching performed by theUE on a secondary uplink carrier serving cell; and a transmitterconfigured to notify, through an NBAP (Node B Application Part) message,the result of the state switching to a secondary uplink carriernon-serving cell in a secondary carrier active set through a RadioNetwork Controller (RNC).
 10. The base station for managing uplinkcarrier frequencies according to claim 9, wherein the state switchingresponse message is sent through a high speed dedicated physical controlchannel (HS-DPCCH).
 11. The base station for managing uplink carrierfrequencies according to claim 9, wherein the result of the stateswitching comprises: the secondary uplink carrier serving cell isactivated or the secondary uplink carrier serving cell is deactivated.12. The base station for managing uplink carrier frequencies accordingto claim 9, wherein the transmitter is further configured to send astate switching request message to the UE, for requesting the UE toperform the state switching on the secondary uplink carrier servingcell.
 13. The base station for managing uplink carrier frequenciesaccording to claim 12, wherein the state switching request message issent through a high speed shared control channel (HS-SCCH), an enhanceddedicated channel absolute grant channel (E-AGCH) or an enhanceddedicated channel relative grant channel (E-RGCH).
 14. The base stationfor managing uplink carrier frequencies according to claim 12, whereinthe receiver is further configured to acquire a state switching decisionindication of the secondary uplink carrier serving cell; and a switchconfigured to perform state switching decision on the secondary uplinkcarrier serving cell according to the state switching decisionindication.
 15. The base station for managing uplink carrier frequenciesaccording to claim 14, wherein the switch is further configured toacquire an amount of uplink data of the UE or current uplink signalquality of the secondary uplink carrier serving cell; and perform thestate switching decision on the secondary uplink carrier serving cellaccording to the amount of the uplink data of the UE or the currentuplink signal quality of the secondary uplink carrier serving cell. 16.A method for managing uplink carrier frequencies, comprising: receiving,through an NBAP (Node B Application Part) message from a base station, aresult of state switching performed by a User Equipment (UE) on asecondary uplink carrier serving cell, wherein the result of stateswitching performed by the UE on the secondary uplink carrier servingcell is contained in a state switching response message and sent to thebase station by the UE; sending, a state notification message, whichserves indicating the result of state switching performed by the UE onthe secondary uplink carrier serving cell, to a secondary uplink carriernon-serving cell in the secondary carrier active set.
 17. The method formanaging uplink carrier frequencies according to claim 16, wherein thestate notification message is an NBAP (Node B Application Part) messageor FP (Frame Protocol) frame.
 18. The method for managing uplink carrierfrequencies according to claim 16, wherein the state switching responsemessage is sent through a high speed dedicated physical control channel(HS-DPCCH).
 19. The method for managing uplink carrier frequenciesaccording to claim 16, wherein the result of the state switchingcomprises: the secondary uplink carrier serving cell is activated or thesecondary uplink carrier serving cell is deactivated.
 20. The method formanaging uplink carrier frequencies according to claim 16, furthercomprising: stopping, by the secondary uplink carrier non-serving cellin the secondary carrier active set, detecting an uplink dedicatedphysical control channel (DPCCH).
 21. A Radio Network Controller (RNC)for managing uplink carrier frequencies, comprising: a receiverconfigured to receive, through an NBAP (Node B Application Part) messagefrom a base station, a result of state switching performed by a UserEquipment (UE) on a secondary uplink carrier serving cell, wherein theresult of state switching performed by the UE on the secondary uplinkcarrier serving cell is contained in a state switching response messageand sent to the base station by the UE; a transmitter configured to senda state notification message, which serves indicating the result ofstate switching performed by the UE on the secondary uplink carrierserving cell, to a secondary uplink carrier non-serving cell in thesecondary carrier active set.
 22. The RNC for managing uplink carrierfrequencies according to claim 21, wherein the state notificationmessage is an NBAP (Node B Application Part) message or FP (FrameProtocol) frame.
 23. The RNC for managing uplink carrier frequenciesaccording to claim 21, wherein the state switching response message issent through a high speed dedicated physical control channel (HS-DPCCH).24. The RNC for managing uplink carrier frequencies according to claim21, wherein the result of the state switching comprises: the secondaryuplink carrier serving cell is activated or the secondary uplink carrierserving cell is deactivated.
 25. The RNC for managing uplink carrierfrequencies according to claim 21, further comprising: stopping, by thesecondary uplink carrier non-serving cell in the secondary carrieractive set, detecting an uplink dedicated physical control channel(DPCCH).